Authenticated key agreement protocol

Details Authenticated key agreement protocol Authenticated key agreement protocol

H - Electricity

04

L

H04L 9/30 (2006.01) H04L 9/08 (2006.01)

Patent

CA 2236495

A key agreement method between a pair of entities i and j in a digital data communication system, wherein each entity has a private and corresponding public key pair S i,P i and S j,P j respectively and the system, having global parameters for generating elements of a group, the method comprising the steps of: (a) entity i selecting a random private session value R i; (b) forwarding a public session value corresponding to the private session value R i to the entity j; (c) entity j computing a long term shared secret key k' derived from entity i's public key and j's private key utilizing a first function H i; (d) the entity j utilizing entity j utilizing the key k' and computing an authenticated message on entity identities i, j and entities public session keys and forwarding the authenticated message to entity i; (e) the entity i verifying the received authenticated message; (f) the entity i computing the long term shared secret key k' derived from the entity j's public key and i's private key in accordance with the first function H i; (g) the entity i utilizing the long term shared secret key k' and computing an authenticated message on the entities i and j identity information and the entities public session keys and forwarding the authenticated message to the entity j; (h) entity j verifying the received authenticated message; and (i) upon both the entities i and j verifying the authenticated message, computing a short term shared secret key utilizing a respective entity's session public and private keys.

Affiliated with

Also associated with

Rating

Authenticated key agreement protocol does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Authenticated key agreement protocol, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Authenticated key agreement protocol will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1517085